A former staff sergeant with the Thunder Bay Police Service (TBPS) has been sentenced to three years in prison after being found guilty of breach of trust and obstruction of justice.
Michael Dimini was charged by Ontario Provincial Police (OPP) in December 2023 with two counts of assault, breach of trust and obstruction of justice following a nearly two-year investigation.
Dimini was found guilty of breach of trust and obstruction of justice in Thunder Bay’s Ontario Court of Justice in February. One of the assault charges was dismissed and he was acquitted of the other.
On Wednesday morning, Justice Michael Block handed him a three-year prison term on the breach of trust charge, and two years concurrent on the obstruction charge. He has not been required to submit a DNA sample.
“I’d like to apologize to everybody that has been affected by this,” Dimini, 46, told the court Tuesday, the first day of the sentencing hearing.









